Jolting Apparatus

For making standard rectangular specimens of 40 x 40 x 160mm. of Portland and pozzolana cement mortar for determining the transverse strength.

It consists of a rectangular table rigidly connected by two support arms to a spindle at a horizontal distance of 800mm from the centre of the table.
There is a projecting lug with a plane face on the lower face of the table beneath which is a stop with a rounded upper surface. The table can be raised and allowed to fall freely on the stop by a cam, which is connected to a motor and gear box through a V-belt and pulleys. The cam rotates at a rate of 60 rev./min. A stroke counter fitted with micro-switch is provided which stops the machine after surmounted by the hopper can be
clamped rigidly to the table. Supplied complete with mould and hopper. Suitable for operation on 230 Volts, single phase. A.C.supply.

Spares and Accessories:
(1) Steel mould with base plate having three compartments each having 40mm x 40mm x 160mm. internal dimensions.
(2) Apparatus for demoulding the specimen.